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70768N2 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

70768N2: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include special_features: WITH FOUR EQUALLY SPACED HOLES,.1640-36 UNJF-3B DEPTH .125 MIN, body_recess_depth: 0.364 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN, peripheral_diameter: 3.012 INCHES MINIMUM AND 3.013 INCHES MAXIMUM IN, center_hole_diameter: 2.155 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN, cross-sectional_height: 0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, cross-sectional_thickness: 0.016 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-139-3583, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
70768N2
NSN: 5330-01-139-3583
FSC: 5330 — Packing and Gasket Materials
CAGE: 77842 — EATON CORPORATION DBA EATON INOAC DIV EATON (USA)
SPECIFICATIONS
special_featuresWITH FOUR EQUALLY SPACED HOLES,.1640-36 UNJF-3B DEPTH .125 MIN
body_recess_depth0.364 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
peripheral_diameter3.012 INCHES MINIMUM AND 3.013 INCHES MAXIMUM IN
center_hole_diameter2.155 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
cross-sectional_height0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
cross-sectional_thickness0.016 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGED
flanged_body_outside_diameter2.273 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN
NSN5330-01-139-3583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 70768N2 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.016 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGED
•
FLANGED BODY OUTSIDE DIAMETER: 2.273 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 3.012 INCHES MINIMUM AND 3.013 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.155 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
•
BODY RECESS DEPTH: 0.364 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.016 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEFLANGED
FLANGED BODY OUTSIDE DIAMETER2.273 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN
PERIPHERAL DIAMETER3.012 INCHES MINIMUM AND 3.013 INCHES MAXIMUM IN
SPECIAL FEATURESWITH FOUR EQUALLY SPACED HOLES,.1640-36 UNJF-3B DEPTH .125 MIN
CENTER HOLE DIAMETER2.155 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
BODY RECESS DEPTH0.364 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 5
67605Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12302388Reference document
Same NSN cross-reference
Reference document — Secondary reference
12302426Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
77092Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
102749Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 70768N2?
70768N2 is a RETAINER,PACKING.
What parts can replace 70768N2?
There are 5 known substitutes for 70768N2: 67605, 12302388, 12302426 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70768N2?
70768N2 is cataloged in the U.S. Government catalog under NSN 5330-01-139-3583. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.